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JavaCard has actually lost a lot of its popularity for ICC applications like credit cards and SIMs. It's hard to get good numbers from the industry, which tends

JavaCard has actually lost a lot of its popularity for ICC applications like credit cards and SIMs. It's hard to get good numbers from the industry, which tends towards secretive, but these days SELP and MULTOS seem more popular. Of course the availability of multiple OS for these devices reinforces the idea that you can run a lot of things on some very low power devices these days. At the same time, it's important to understand that JavaCard is a very constrained version of Java. Most JavaCard platforms have no support for IP networking, which would make it an unlikely source of DDoS (besides the fact that it requires relatively specialized developer tooling).

miki123211 3y ago
> Most JavaCard platforms have no support for IP networking, which would make it an unlikely source of DDoS I'm not claiming that you could use a smart card for DDoS (the idea seems absurd, but somebody is probably going to prove me wrong one of these days), merely that if some version of Java runs on a smartcard, I don't find it that unimaginable for a toothbrush to have a good enough chip to run Java, perhaps with enough resources for a TCP / IP stack. Something equivalent in performance to an old, WAP-capable phone that also ran Java ME, perhaps.